What are the most common problems with the 2021 Cadillac XT6?

Critical powertrain failures, including engine stalling, are a primary concern, often occurring under 7,000 miles.

How many recalls does the 2021 Cadillac XT6 have?

The 2021 Cadillac XT6 currently has 3 recalls on file. Review the full recall report to see affected components and available remedies.

Is the 2021 Cadillac XT6 a good buy used?

Verdict: Proceed with caution. Critical powertrain failures, including engine stalling, are a primary concern, often occurring under 7,000 miles. The fuel/propulsion system and engine are the most frequently cited complaint areas. Three recalls were issued, two for fuel supply line issues and one for rearview camera malfunctions. The XT6 achieved a 5-star overall NHTSA safety rating, indicating strong crash protection. Expect combined fuel economy around 21 MPG, contributing to moderate running costs. Always verify service history, open recalls, and maintenance records before purchasing.

What maintenance costs should I expect for the 2021 Cadillac XT6?

Refer to the maintenance cost guide for interval schedules, DIY difficulty ratings, and typical repair cost ranges for the 2021 Cadillac XT6.

2021 Cadillac XT6 Report

Known issues, recalls, running costs, and what to check before you buy.

Updated May 30, 2026Daniel Wilson2 Critical Recalls

Overall Score

Our Verdict

Proceed with caution

Key Takeaways

Critical powertrain failures, including engine stalling, are a primary concern, often occurring under 7,000 miles.
The fuel/propulsion system and engine are the most frequently cited complaint areas.
Three recalls were issued, two for fuel supply line issues and one for rearview camera malfunctions.
The XT6 achieved a 5-star overall NHTSA safety rating, indicating strong crash protection.

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Overview

2021 Cadillac XT6

The 2021 Cadillac XT6 offers three-row seating and a comfortable ride, but its appeal is significantly dulled by notable reliability issues. While it boasts excellent NHTSA safety ratings, including a 5-star overall score, the powertrain and electrical systems have drawn considerable owner complaints. Critical failures, such as engine stalling due to fuel pump control module issues, have been reported at surprisingly low mileages. Multiple recalls, particularly concerning the fuel system and rearview camera, further underscore potential ownership challenges. This model requires a discerning buyer willing to meticulously inspect for known weaknesses.

Critical Failure Risk

Critical powertrain failures, specifically engine stalling while driving, have been reported due to fuel pump control module failure. This issue can occur at low mileage and presents a significant safety risk.

Early detection can help you avoid a $500-$1,500 repair.

Open Maintenance Analysis →

Safety & Bulletins

Open Recalls3

Service Bulletins0

Full Recall History →

Owner Complaints

Fuel/Propulsion System3

Detailed Issue Breakdown →

Performance & Efficiency

Fuel Efficiency

Combined

MPG

City

MPG

Highway

MPG

Full Vehicle Specifications ↓

Reliability

Practicality

The score is mainly limited by high fuel consumption.

Buyer Fit

Who This Car Is For

Best for

Buyers prioritizing three-row space and Cadillac luxury who are willing to undertake extensive pre-purchase inspections.

+2 more buyer-fit notes in the full report

Avoid if

Drivers seeking a trouble-free ownership experience.

+2 more buyer-fit warnings in the full report

2021 Cadillac XT6 Reliability Analysis

Specs

Vehicle Specs

Fuel Type: Regular
Seating Capacity: 7
Transmission: Automatic
Drivetrain: Front-Wheel Drive
Body Style: Suv
EPA Combined MPG: 21

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Most Common Issues

1. Fuel System

Most reported

Usage: 3 reports

2. ENGINE

Usage: 3 reports

See all common issues in the maintenance guide

First Service Interval

- Synthetic Oil Change (5W-30) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation - Inspect Brake System - Inspect Wiper Blades

Est. shop cost: $100 - $200

7,500 mi

Unlock the full maintenance guide for every scheduled service interval and cost forecast.

Full pre-purchase inspection checklist

Complete maintenance schedule (7 service intervals)

Repair forecasts with mileage and cost context

Full buyer-fit guidance and who should avoid it

Full specs and trim-level context

3 recall campaign details & remedy notes

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FAQ

Is the 2021 Cadillac XT6 reliable?

The CarFocal Reliability Score for the 2021 Cadillac XT6 is 7.9/10. Reliability score is 7.9/10. NHTSA recalls: 3. Owner complaints: 17.

How practical is the 2021 Cadillac XT6 for daily use?

Practicality score is 4.4/10. The score is mainly limited by high fuel consumption. EPA combined economy is 21 MPG. Seating capacity is 7.

What is the overall score for the 2021 Cadillac XT6?

The CarFocal Overall Score for the 2021 Cadillac XT6 is 7.0/10. Overall score is 7.0/10 (Good). Confidence 85%. Maintenance 8.1/10. Practicality 4.4/10.

What does it cost to own and maintain a 2021 Cadillac XT6?

Based on Carfocal's data, First listed service: - Synthetic Oil Change (5W-30) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation - Inspect Brake System - Inspect Wiper Blades at 7,500 miles. Estimated first-year maintenance: $500 - $1,000. Repair prediction highlight: Fuel Pump Control Module (typical at 30,000 miles, estimated cost Min: $500 • Max: $1,500).

What engine is in the 2021 Cadillac XT6?

Engine specs list 6 • 3.6.

What transmission does the 2021 Cadillac XT6 use?

According to CarFocal's specs for the 2021 Cadillac XT6, transmission is Automatic. The paired drivetrain is Front-Wheel Drive.

What is the combined EPA MPG for the 2021 Cadillac XT6?

EPA combined estimate is 21 MPG.

What driver assistance and safety features are available on the 2021 Cadillac XT6?

14 standard and 1 optional driver assistance features. Key features include Anti-lock Braking System, Traction Control, Tire Pressure Monitoring System.

How many people fit in a 2021 Cadillac XT6?

According to CarFocal's specs for the 2021 Cadillac XT6, seating capacity is 7.

What body style is the 2021 Cadillac XT6?

According to CarFocal's specs for the 2021 Cadillac XT6, body style is suv.

What drivetrain does the 2021 Cadillac XT6 use?

According to CarFocal's specs for the 2021 Cadillac XT6, drivetrain is Front-Wheel Drive. Transmission is Automatic.

What are the NHTSA safety ratings for the 2021 Cadillac XT6?

NHTSA ratings: Overall 5/5 • Frontal 5/5 • Side 5/5 • Rollover 4/5.

What are the most common fuel/propulsion system problems on the 2021 Cadillac XT6?

Top complaint category: fuel/propulsion system (3 reports, 17.6% of complaints).

Are there open safety recalls on the 2021 Cadillac XT6?

This model year has 3 official safety campaigns listed.

Should buyers consider alternatives to the 2021 Cadillac XT6?

Alternatives listed in this guide: 2021 Acura MDX and 2021 Toyota Highlander.